This Sealey VS024 Brake Piston Wind-Back Tool features a double-ended design. It enables the retraction of the piston on rear brake calipers, facilitating the installation of new brake pads. Model Number: VS024. Specifications: Type - Wind-back tool. Pin Diameter: 6mm. Distance Between Pin Centres: 22mm, 33mm. Nett Weight: 0.65kg. Gross Weight: 0.68kg.